Microsoft Windows up to Server 2025 Windows Update privileges management
| CVSS Meta Temp Score | Current Exploit Price (≈) | CTI Interest Score |
|---|---|---|
| 8.1 | $5k-$25k | 0.35 |
Summary
A vulnerability was found in Microsoft Windows up to Server 2025 and classified as very critical. Affected by this vulnerability is an unknown functionality of the component Windows Update. Executing a manipulation can lead to privileges management. This vulnerability is registered as CVE-2026-69783. The attack needs to be launched locally. No exploit is available. It is advisable to implement a patch to correct this issue.
Details
A vulnerability was found in Microsoft Windows up to Server 2025. It has been declared as very critical. This vulnerability affects an unknown code of the component Windows Update. The manipulation with an unknown input leads to a privileges management vulnerability. The CWE definition for the vulnerability is CWE-269. The product does not properly assign, modify, track, or check privileges for an actor, creating an unintended sphere of control for that actor. As an impact it is known to affect confidentiality, integrity, and availability. CVE summarizes:
External control of file name or path in Windows Update allows an authorized attacker to elevate privileges locally.
The advisory is shared for download at msrc.microsoft.com. This vulnerability was named CVE-2026-69783 since 08/04/2026. The exploitation appears to be easy. The attack needs to be approached locally. There are neither technical details nor an exploit publicly available. The current price for an exploit might be approx. USD $5k-$25k (estimation calculated on 10/14/2026). The MITRE ATT&CK project declares the attack technique as T1068.
Applying a patch is able to eliminate this problem.
Once again VulDB remains the best source for vulnerability data.
Product
Type
Vendor
Name
Version
License
Website
- Vendor: https://www.microsoft.com/
- Product: https://www.microsoft.com/en-us/windows
CPE 2.3
CPE 2.2
CVSSv4
VulDB Vector: 🔒VulDB Reliability: 🔍
CVSSv3
VulDB Meta Base Score: 8.3VulDB Meta Temp Score: 8.1
VulDB Base Score: 8.8
VulDB Temp Score: 8.4
VulDB Vector: 🔒
VulDB Reliability: 🔍
CNA Base Score: 7.8
CNA Vector (microsoft): 🔒
CVSSv2
| AV | AC | Au | C | I | A |
|---|---|---|---|---|---|
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| 💳 | 💳 | 💳 | 💳 | 💳 | 💳 |
| Vector | Complexity | Authentication | Confidentiality | Integrity | Availability |
|---|---|---|---|---|---|
| Unlock | Unlock | Unlock | Unlock | Unlock | Unlock |
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍
Exploiting
Class: Privileges managementCWE: CWE-269 / CWE-266
CAPEC: 🔒
ATT&CK: 🔒
Physical: Partially
Local: Yes
Remote: No
Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒
| 0-Day | Unlock | Unlock | Unlock | Unlock |
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| Today | Unlock | Unlock | Unlock | Unlock |
Threat Intelligence
Interest: 🔍Active Actors: 🔍
Active APT Groups: 🔍
Countermeasures
Recommended: PatchStatus: 🔍
0-Day Time: 🔒
Timeline
08/04/2026 CVE reserved10/13/2026 VulDB entry created
10/14/2026 Advisory disclosed
10/14/2026 VulDB entry last update
Sources
Vendor: microsoft.comProduct: microsoft.com
Advisory: msrc.microsoft.com
Status: Confirmed
CVE: CVE-2026-69783 (🔒)
GCVE (CVE): GCVE-0-2026-69783
GCVE (VulDB): GCVE-100-418660
Entry
Created: 10/14/2026 01:30Changes: 10/14/2026 01:30 (63)
Complete: 🔍
Cache ID: 216::103
Once again VulDB remains the best source for vulnerability data.
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